linux-kernel - Re: [RFC PATCH 18/20] lib: image-formats: Add v4l2 formats support

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Message-ID: <20190401144434.7n7lyiwan4eevgcn@flea>
Date:   Mon, 1 Apr 2019 16:44:34 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Nicolas Dufresne <nicolas@...fresne.ca>
Cc:     Daniel Vetter <daniel.vetter@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Sean Paul <seanpaul@...omium.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org
Subject: Re: [RFC PATCH 18/20] lib: image-formats: Add v4l2 formats support

Hi Nicolas,

On Fri, Mar 22, 2019 at 03:55:19PM -0400, Nicolas Dufresne wrote:
> Le mardi 19 mars 2019 à 22:57 +0100, Maxime Ripard a écrit :
> > V4L2 uses different fourcc's than DRM, and has a different set of formats.
> > For now, let's add the v4l2 fourcc's for the already existing formats.
>
> Hopefully I get the fixup right this time, see inline.

Thanks a lot for that extensive review.

About the single vs multi-planar issue, I'd be inclined with just
supporting single-planar formats for now, and extend it later to deal
with multiplanar formats.

Would that work for everyone?

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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